APA引文

Empfield, J. R., & P Clark, M. (2014). Reducing Drug Attrition (1st ed. 2014.). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.

Chicago Style Citation

Empfield, James R., and Michael P Clark. Reducing Drug Attrition. 1st ed. 2014. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.

MLA引文

Empfield, James R., and Michael P Clark. Reducing Drug Attrition. 1st ed. 2014. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.

警告：这些引文格式不一定是100％准确.